Method and apparatus for multi-protocol reverse channel infrastructure sharing
CA 2290272 A1 · Owner: Motorola, Inc. · Inventors: Lockhart, Thomas Wayne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A base station (222) capable of receiving reverse channel data using two over the air protocols preferably comprises a transmitter (224) and modulator (226) for, forward channel transmissions in at least a first protocol a multi-mode base , receiver, (228) capable of receiving data on a reverse channel using multiple protocols including the first protocol and at least a second protocol. The dual mode base, station further comprises a processor (242) that receives a timing source for the, second over the air protocol derived from the remote controller (216) for the second, over the air protocol. The processor is preferably programmed to decode timing information from the timing source …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed November 24, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 24, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 24, 2021.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.